| Submission | Oct. 01, 2024 |
| Submission [Line Items] | |
| Central Index Key | 0001935979 |
| Registrant Name | Biohaven Ltd. |
| Registration File Number | 333-274822 |
| Form Type | S-3 |
| Submission Type | 424B5 |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings - Offering: 1 | Oct. 01, 2024 USD ($) shares |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(r) | true |
| Security Type | Equity |
| Security Class Title | Common Shares, no par value |
| Amount Registered | shares | 6,052,631 |
| Proposed Maximum Offering Price per Unit | 47.50 |
| Maximum Aggregate Offering Price | $ 287,499,972.50 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 44,016.25 |
| Offering Note | (1) Includes shares that the underwriters may purchase pursuant to an option to purchase additional shares. (2) In accordance with Rule 457(r) under the Securities Act of 1933, as amended, the registrant initially deferred payment of all of the registration fee for the Registration Statement on Form S-3ASR (File No. 333-274822) filed by the registrant on October 2, 2023. |
| Fees Summary | Oct. 01, 2024 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 287,499,972.50 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 44,016.25 |
| Total Offset Amount | $ 0 |
| Narrative Disclosure | The prospectus supplement to which this exhibit is attached is a final prospectus for the related offering |
| Net Fee | $ 44,016.25 |
| Narrative - Max Aggregate Offering Price | $ 287,499,972.50 |
| Final Prospectus | true |
